Question

If 3y+2x=47 and 11x=7y, then what is the value of y-x?

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Answer 1

Answer:4

Step-by-step explanation:3y + 2x = 47 and

11x = 7y

Multiplying the first equation by 7, we get 21y + 14x = 329

And, multiplying the second equation by 3, we get 33x = 21y

So, 21y + 14x = 329 or 33x + 14x = 329

Hence, 47x = 329

So, x = 7 and y = 11

Therefore, y-x = 4